Atom x7-E3950 vs Xeon E5345

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Atom x7-E3950 vs Xeon E5345 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Atom x7-E3950 vs Xeon E5345: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Atom x7-E3950

2016

Why buy it

✅Draws 12W instead of 80W, a 68W reduction.
✅100+% more PCIe lanes (6 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 505, while Xeon E5345 needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,864 vs 1,868).

Xeon E5345

2006

Why buy it

✅+0.2% higher PassMark.

Trade-offs

❌566.7% higher power demand at 80W vs 12W.
❌No integrated graphics, while Atom x7-E3950 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Atom x7-E3950 better than Xeon E5345?

Not really, because they are built for different jobs. Xeon E5345 makes more sense for workstation-style multi-core throughput, while Atom x7-E3950 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon E5345 is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 4 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Atom x7-E3950 still makes the most sense overall. Atom x7-E3950 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 2.5% average FPS lead across 50 shared CPU game tests in our data.

Which one is more future-proof for 2026 and beyond?

Atom x7-E3950 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2006). That makes it the safer long-term bet.

Atom x7-E3950 vs Xeon E5345 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Atom x7-E3950

The Atom x7-E3950 is manufactured by Intel. It was released in 30 August 2014 (11 years ago). It is based on the Apollo Lake (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 14 nm process technology. Socket: FCBGA1296. Thermal design power (TDP): 12 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 1,864 points. Launch price was $57.

Xeon E5345

The Xeon E5345 is manufactured by Intel. It was released in 14 November 2006 (19 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2.33 GHz, with boost up to 0.33 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,868 points. Launch price was $851.

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Processing Power

Both the Atom x7-E3950 and Xeon E5345 share an identical 4-core/4-thread configuration. Boost clocks reach 2 GHz on the Atom x7-E3950 versus 0.33 GHz on the Xeon E5345 — a 143.3% clock advantage for the Atom x7-E3950 (base: 1.6 GHz vs 2.33 GHz). The Atom x7-E3950 uses the Apollo Lake (2014−2016) architecture (14 nm), while the Xeon E5345 uses Clovertown (2006−2007) (65 nm). In PassMark, the Atom x7-E3950 scores 1,864 against the Xeon E5345's 1,868 — a 0.2% lead for the Xeon E5345. L3 cache: 0 kB on the Atom x7-E3950 vs 8 MB L2 Cache on the Xeon E5345.

Feature	Atom x7-E3950	Xeon E5345
Cores / Threads	4 / 4	4 / 4
Boost Clock	2 GHz+506%	0.33 GHz
Base Clock	1.6 GHz	2.33 GHz+46%
L3 Cache	0 kB	8 MB L2 Cache
L2 Cache	2 MB (total)	4 MB (total)+100%
Process	14 nm-78%	65 nm
Architecture	Apollo Lake (2014−2016)	Clovertown (2006−2007)
PassMark	1,864	1,868
Geekbench 6 Single	245	—

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Memory & Platform

The Atom x7-E3950 uses the FCBGA1296 socket (PCIe 3.0), while the Xeon E5345 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Atom x7-E3950	Xeon E5345
Socket	FCBGA1296	LGA771
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	LPDDR4-2400	—
Max RAM Capacity	8 GB	—
RAM Channels	4	—
ECC Support	Yes	—
PCIe Lanes	6	—

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Advanced Features

Virtualization: VT-x, VT-d (Atom x7-E3950) / not specified (Xeon E5345). The Atom x7-E3950 includes integrated graphics (HD Graphics 505), while the Xeon E5345 requires a dedicated GPU.